12638800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1700

約数の個数: 60

約数和(自身を含む): 31982080

約数和(自身を除く): 19343280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1663, 1900, 3326, 3800, 6652, 7600, 8315, 13304, 16630, 26608, 31597, 33260, 41575, 63194, 66520, 83150, 126388, 133040, 157985, 166300, 252776, 315970, 332600, 505552, 631940, 665200, 789925, 1263880, 1579850, 2527760, 3159700, 6319400, 12638800]

約数ペア:

[(1, 12638800), (2, 6319400), (4, 3159700), (5, 2527760), (8, 1579850), (10, 1263880), (16, 789925), (19, 665200), (20, 631940), (25, 505552), (38, 332600), (40, 315970), (50, 252776), (76, 166300), (80, 157985), (95, 133040), (100, 126388), (152, 83150), (190, 66520), (200, 63194), (304, 41575), (380, 33260), (400, 31597), (475, 26608), (760, 16630), (950, 13304), (1520, 8315), (1663, 7600), (1900, 6652), (3326, 3800)]